All the organisms present in the environment is composed of cell. The organisms are classified into two types. These are prokaryotes and eukaryotes. Prokaryotes do not contain a well-defined nucleus. However, eukaryotes have a well-defined nucleus properly enclosed in a nuclear membrane.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 22, Problem 4SA

Summary Introduction

Introduction:

All the organisms present in the environment is composed of cell. The organisms are classified into two types. These are prokaryotes and eukaryotes. Prokaryotes do not contain a well-defined nucleus. However, eukaryotes have a well-defined nucleus properly enclosed in a nuclear membrane.

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Answer 2

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 22, Problem 4SA

Summary Introduction

Introduction:

All the organisms present in the environment is composed of cell. The organisms are classified into two types. These are prokaryotes and eukaryotes. Prokaryotes do not contain a well-defined nucleus. However, eukaryotes have a well-defined nucleus properly enclosed in a nuclear membrane.

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Answer 3

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 22, Problem 4SA

Summary Introduction

Introduction:

All the organisms present in the environment is composed of cell. The organisms are classified into two types. These are prokaryotes and eukaryotes. Prokaryotes do not contain a well-defined nucleus. However, eukaryotes have a well-defined nucleus properly enclosed in a nuclear membrane.

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Answer 4

Question

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 22, Problem 4SA

Summary Introduction